APR ECU Upgrade - 4.0T EA825 V8 (RS6/RS7 Performance)

100 in stock
$1,999.99
$1,999.99
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For vehicles from the 2024 model year only.

The APR Stage 1 ECU upgrade works with the factory turbocharger, producing up to 795 HP / 865 FT-LBS (+189 AWHP / +220 AWFT-LBS) over stock. Adding hardware like an intake, intercooler, or exhaust increases power further without requiring a new stage or reflash.

Options:

  • Stock or louder exhaust noise (crackle/pops/burbles)

Transmission:

  • No transmission software required for full output files.

Fuel Grades:

  • 91 AKI (95 RON), 93 AKI (98 RON), 100 AKI (104 RON), 104 AKI (108 RON), and E60-E85 Ethanol.
  • Higher fuel grades are permissible on lower octane software.

Hardware Requirements:

  • No hardware required.

Features:

  • Power Gains: Up to 795 HP / 864 FT-LBS (+189 AWHP / +220 AWFT-LBS)
  • Includes 5 Fuel Grade Tunes: 91 AKI (95 RON), 93 AKI (98 RON), 100 AKI (104 RON), 104 AKI (108 RON), and E60-E85 (no hardware required)
  • Enhanced Features: Optional louder exhaust crackle, increased standing RPM limiter with exhaust crackle enabled, speed limiter removal, Auto Start/Stop memory, left-foot brake boosting, linear throttle mapping, and uncapped boost gauge
  • Advanced Safety Protection Routines: LSPI/knock protection, thermal management, turbo/pressure quotients, torque/driveline shock protection, and fuel system protection
  • No ECU Removal: Our software installs directly to your factory ECU through the OBDII port, can be easily removed to return to the stock tune, and resets the flash counter for unlimited flashes
  • Supports Bolt-On Mods: Adding most hardware upgrades increases power without requiring a reflash or additional stages
  • No TCU Required: Full torque is unlocked without requiring a TCU upgrade
  • Lifetime Updates: Continuous improvements and support
  • 30-Day Money-Back Guarantee
Cross Reference
  • ECU-40T-EA825-C8-PERF

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APR ECU Upgrade - 4.0T EA825 V8 (RS6/RS7 Performance)

$1,999.99

  • ACHIEVING

    4.8

    average rating

  • With

    95%

    positive reviews

  • LESS THAN

    3%

    return rate

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